Heyo !!
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A. What are the 7 numbers in the term of n?</h2>
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EXPLANATION :
Because when you have 3 consecutive numbers, you have to put 7 numbers in the term of the n.
Hope It Helped!
<u>And Tell me if The answer is wrong. . .</u>
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<u>Good Luck With Your Assignment!</u></h3><h3 />
#LearnWithBrainly

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Jace ^-^
Answer:
D. scalene triangle
Step-by-step explanation:
This triangle has sides that all have different lengths. Therefore, this triangle is a scalene triangle.
Tips:
Isosceles triangle - two sides have equal lengths
Equilateral triangle - all three sides have equal lengths
I hope this helped! :)
Given :
The Learning Center charges a one-time fee of $26 plus $10 per piano lesson.
Guitar lessons have a one-time fee of $36 plus $8 for each lesson.
To Find :
After how many lessons will the cost of learning to play piano be the same or more than learning to play guitar.
Solution :
Mathematical expression of piano lesson :

Mathematical expression of guitar lesson :

( Here, x and y are number of lessons )
Let, after t hours cost of learning to play piano be the same or more than learning to play guitar.
Now, given constraint :
Hence, this is the required solution.
Step-by-step explanation:
BC is the bisector of
From equations (1) & (2)
(Because sides opposite to equal angles are equal)
Hence Proved